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    OpenPayerBilling CodesOther nutritional deficienciesICD-10-CM e63-other-nutritional-deficiencies
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    ICD-10-CM Code For Other Nutritional Deficiencies: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group E63 includes conditions caused by deficiencies of specific nutrients not classified under other deficiency codes, such as protein-calorie imbalance or isolated nutrient insufficiencies, and covers clinical presentations related to impaired metabolic or physiologic function. These ICD-10-CM diagnosis codes are used to document clinical scenarios involving malnutrition from specific nutrient deficits, capturing severity, associated complications, or the need for nutritional support and monitoring. Accurate coding within the ICD-10-CM E63 group supports proper claim adjudication and complete clinical documentation for appropriate reimbursement.

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    ICD-10-CM E63: Other Nutritional Deficiencies Overview

    The ICD-10-CM E63 group represents conditions due to deficiencies of nutrients other than vitamins and minerals commonly listed elsewhere, affecting multiple body systems including metabolic and gastrointestinal function. These diagnoses capture malnutrition related to specific nutrient shortages that can impact growth, wound healing, and overall physiological function. Accurate coding matters for reimbursement because it documents the clinical need and complexity tied to nutritional interventions and care planning.

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    When to Use

    Use a code from this group when a patient has a documented deficiency of specific nutrients that is not captured by other ICD-10-CM deficiency codes, or when protein-calorie malnutrition of a type included here is diagnosed. Select the code that reflects the specific nutrient deficiency and clinical severity documented in the medical record.

    ICD-10-CM Codes

    4 rows

    ICD-10-CM CodeDescription
    E63.0Essential fatty acid [EFA] deficiency
    E63.1Imbalance of constituents of food intake
    E63.8Other specified nutritional deficiencies
    E63.9Nutritional deficiency, unspecified

    DRG Codes

    2 rows

    DRG CodeDescription
    640Miscellaneous Disorders of Nutrition, Metabolism, Fluids and Electrolytes with MCC
    641Miscellaneous Disorders of Nutrition, Metabolism, Fluids and Electrolytes without MCC

    Typical Clinical Scenarios

    • An elderly patient in a primary care clinic reports progressive unintentional weight loss, decreased appetite, and fatigue over several months; laboratory evaluation shows low serum prealbumin and micronutrient deficiencies without evidence of protein-energy malnutrition or a specific vitamin deficiency. The clinician documents an other specified nutritional deficiency when attributing the patients symptoms to general inadequate intake related to social factors and age-related anorexia. Typical codes: E63.8
    • A middle-aged patient with chronic inflammatory bowel disease presents for routine follow-up with documented malabsorption and multiple low serum micronutrient levels (iron and other trace elements) despite therapy; no single nutrient deficit fully explains the presentation. Because the patient has non-specific or multiple nutritional deficiencies secondary to malabsorption that do not fit a more specific code, an other specified deficiency diagnosis is assigned. Typical codes: E63.8, E63.1
    • A hospitalized patient admitted after bariatric surgery develops symptoms of generalized nutritional deficiency during the postoperative course, with weight loss and laboratory evidence of inadequate nutrient intake but without identification of a specific vitamin deficiency. The inpatient team records an unspecified other nutritional deficiency when coding perioperative or postoperative malnutrition-like states not classified elsewhere. Typical codes: E63.9, E63.0

    Related Codes

    E50-VITAMIN-A-DEFICIENCY

    ICD-10-CM Code For Vitamin A Deficiency: Group Overview

    E51-THIAMINE-DEFICIENCY

    ICD-10-CM Code For Thiamine Deficiency: Group Overview

    E52-NIACIN-DEFICIENCY-PELLAGRA

    ICD-10-CM Code For Niacin Deficiency [Pellagra]: Group Overview

    E53-DEFICIENCY-OF-OTHER-B-GROUP-VITAMINS

    ICD-10-CM Code For Deficiency Of Other B Group Vitamins: Group Overview

    E54-ASCORBIC-ACID-DEFICIENCY

    ICD-10-CM Code For Ascorbic Acid Deficiency: Group Overview

    E55-VITAMIN-D-DEFICIENCY

    ICD-10-CM Code For Vitamin D Deficiency: Group Overview

    E56-OTHER-VITAMIN-DEFICIENCIES

    ICD-10-CM Code For Other Vitamin Deficiencies: Group Overview

    E58-DIETARY-CALCIUM-DEFICIENCY

    ICD-10-CM Code For Dietary Calcium Deficiency: Group Overview

    E59-DIETARY-SELENIUM-DEFICIENCY

    ICD-10-CM Code For Dietary Selenium Deficiency: Group Overview

    E60-DIETARY-ZINC-DEFICIENCY

    ICD-10-CM Code For Dietary Zinc Deficiency: Group Overview

    Showing 1–10 of 12

    Frequently Asked Questions

    References

    1. 1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
    2. 2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
    3. 3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.
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